@mixin gutterSize($sizeName, $size) {
  .size-#{$sizeName} {
    min-width: $size;
    min-height: $size;
  }
}

$baseline: 8px;

@include gutterSize("sm", 2 * $baseline);
@include gutterSize("md", 3 * $baseline);
@include gutterSize("xl", 5 * $baseline);
